Opening https://finance.mingpao.com/fin/instantf/20231031/1698716585389/%E5%85%A7%E5%9C%B010%E6%9C%88%E8%A3%BD%E9%80%A0%E6%A5%ADpmi%E8%B7%8C%E7%A9%BF50-%E9%81%9C%E9%A0%90%E6%9C%9F-%E8%A6%8B3%E5%80%8B%E6%9C%88%E4%BD%8E-%E6%8C%81%E7%BA%8C%E6%81%A2%E5%BE%A9%E5%9F%BA%E7%A4%8E%E4%BB%8D%E9%9C%80%E9%9E%8F%E5%9B%BA